1979 Yamaha IT Specs

motorcycle specs

These are the known mechanical and performance specifications for your 1979 Yamaha IT.

Basic Specs

Year1979
MakeYamaha
ModelYamaha IT
Cost

Engine

Displacement397.00 ccm (24.22 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke85.0 x 0.0 mm (3.3 x inches)
Valves/Cylinder
FuelingCarburettor. mikuni
IgnitionMagneto type
Exhaustexpansion chamber
Lubricationpre mix
CoolingAir

Drivetrain

Gearbox5-speed
Final DriveChain
Clutchwet multiple disc
Driveline

Performance

Horespower
Torque
Top Speed136.8 km/h (85.0 mph)

Fuel Economy & Polution

Fuel Consumption
Fuel Capacity12.00 litres (3.17 gallons)
Emissions

Chassis

Frame TypeTubular steel double cradle
Rake
Trail
Front Suspensionforks
Front Travel230 mm (9.1 inches)
Rear SuspensionMonoshock, nitrogen canister
Rear Travel205 mm (8.1 inches)
Seat
Seat Height
Alt. Seat Height
Total Height1,170 mm (46.1 inches)
Total Length2,210 mm (87.0 inches)
Total Width935 mm (36.8 inches)
Ground Clearance275 mm (10.8 inches)
Wheelbase1,420 mm (55.9 inches)
Dry Weight113.4 kg (250.0 pounds)
Wet Weight

Wheels & Brakes

Front Tire/Tyre-3.00-21-4PR
Rear Tire/Tyre-4.50-18-4PR
Front BrakesExpanding brake (drum brake)
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels

Comments

It appears you're interested in specifications for the Yamaha IT. This Enduro / offroad model is powered by a Single cylinder, two-stroke engine with 397.00 ccm (24.22 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. mikuni allowing this machine to produce its horsepower and torque. According to our records engine heat of the Yamaha IT is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is -3.00-21-4PR and the rear is -4.50-18-4PR . The entire package is supported by the frame, Tubular steel double cradle. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The Yamaha IT was launched in 1979, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.